{"id":"CVE-2021-21510","aliases":["EUVD-2021-8782","GHSA-xxm9-gr2r-5m67"],"status":"published","title":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote...","description":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01026,"percentile":0.6406,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-74"],"published":"2021-03-08T21:45:26Z","modified":"2026-06-17T03:35:41Z","products":[{"vendor":"dell","product":"idrac8_firmware"},{"vendor":"dell","product":"integrated dell remote access controller (idrac)"}],"references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000183758/dsa-2021-041-dell-emc-idrac-8-security-update-for-a-host-header-injection-vulnerability","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21510"},{"url":"https://github.com/advisories/GHSA-xxm9-gr2r-5m67"}],"sources":{"cve":[{"id":"CVE-2021-21510","description":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.","status":"published","published":"2021-03-08T21:45:26.966Z","modified":"2024-09-16T19:15:28.05Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2021-8782","description":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.","status":"published","published":"2021-03-08T21:45:26Z","modified":"2024-09-16T19:15:28Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:24.732716Z"}],"ghsa":[{"id":"GHSA-xxm9-gr2r-5m67","title":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote...","description":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.","status":"published","published":"2022-05-24T22:33:56Z","modified":"2023-01-29T05:02:40Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:45:08.540426Z"}],"nvd":[{"id":"CVE-2021-21510","description":"Dell iDRAC8 versions prior to 2.75.100.75 contain a host header injection vulnerability. A remote unauthenticated attacker may potentially exploit this vulnerability by injecting arbitrary ‘Host’ header values to poison a web-cache or trigger redirections.","status":"published","published":"2021-03-08T22:15:14.08Z","modified":"2026-06-17T03:35:41.97Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20","CWE-74"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}